/**
 * Copyright (c) 2015-2017, Henry Yang 杨勇 (gismail@foxmail.com).
 * <p>
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.lambkit.module.cms.rpc.api;

import java.util.List;

import com.lambkit.module.cms.core.km.CmsScore;

/**
 * @author yangyong
 * @website: www.lambkit.com
 * @email: gismail@foxmail.com
 * @date 2020-02-23
 * @version 1.0
 * @since 1.0
 */
public interface CmsScoreService {
	/**
	 * 获取得分
	 * 
	 * @param userId
	 * @param itemId
	 * @param type
	 * @return
	 */
	public CmsScore findScore(Long userId, Long itemId, CmsScore.Type type);

	/**
	 * 加入文件得分
	 * 
	 * @param userId
	 * @param fileId
	 * @param dScore
	 */
	public void addFileScore(Long userId, Long fileId, Long dScore);

	/**
	 * 加入文章得分
	 * 
	 * @param userId
	 * @param articleId
	 * @param dScore
	 */
	public void addArticleScore(Long userId, Long articleId, Long dScore);

	/**
	 * 加入单页得分
	 * 
	 * @param userId
	 * @param pageId
	 * @param dScore
	 */
	public void addPageScore(Long userId, Long pageId, Long dScore);

	/**
	 * 基于用户的推荐
	 * 
	 * @return
	 */
	public List getScoreList(Long userId, int recomNum, CmsScore.Type type);

	/**
	 * 基于物品的推荐
	 * 
	 * @param userId
	 * @param recomNum
	 * @return
	 */
	public List getScoreListByItemCF(Long userId, int recomNum, CmsScore.Type type);

	/**
	 * slopone推荐
	 * 
	 * @param userId
	 * @param recomNum
	 * @return
	 */
	public List getScoreListBySlopOne(Long userId, int recomNum, CmsScore.Type type);
}
